Features Large LCD Display: The full screen ultra large LCD provides clear and convenient measurement data display, ensuring easy readability. Any Position Clear: Convenient for absolute and relative measurement, data can be saved in any location for easy reading after measurement, enhancing flexibility and accuracy. Automatic Shutdown Function: Saves power consumption and prolongs battery life, ensuring long-lasting usability and convenience. Engineering Plastics: Thickened and widened ruler body made of durable engineering plastics, providing good rigidity, wear resistance, and durability without deformation or scratches. Freely Tighten: Enlarged and thickened knob allows for convenient and reliable measurement, enhancing user experience and accuracy. Ultimate Digital Ruler with Large LCD Experience clear and effortless measurement readings with the large LCD display. This digital angle gauge also features an automatic shutdown function to save power and extend battery life. Its engineering plastics construction ensures durability, rigidity, and wear resistance, making it a reliable tool for precise measurements. Package List 1 x Digital Ruler 1 x User Manual